x^2+16x-6=0

Simple and best practice solution for x^2+16x-6=0 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for x^2+16x-6=0 equation:


Simplifying
x2 + 16x + -6 = 0

Reorder the terms:
-6 + 16x + x2 = 0

Solving
-6 + 16x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '6' to each side of the equation.
-6 + 16x + 6 + x2 = 0 + 6

Reorder the terms:
-6 + 6 + 16x + x2 = 0 + 6

Combine like terms: -6 + 6 = 0
0 + 16x + x2 = 0 + 6
16x + x2 = 0 + 6

Combine like terms: 0 + 6 = 6
16x + x2 = 6

The x term is 16x.  Take half its coefficient (8).
Square it (64) and add it to both sides.

Add '64' to each side of the equation.
16x + 64 + x2 = 6 + 64

Reorder the terms:
64 + 16x + x2 = 6 + 64

Combine like terms: 6 + 64 = 70
64 + 16x + x2 = 70

Factor a perfect square on the left side:
(x + 8)(x + 8) = 70

Calculate the square root of the right side: 8.366600265

Break this problem into two subproblems by setting 
(x + 8) equal to 8.366600265 and -8.366600265.

Subproblem 1

x + 8 = 8.366600265 Simplifying x + 8 = 8.366600265 Reorder the terms: 8 + x = 8.366600265 Solving 8 + x = 8.366600265 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + x = 8.366600265 + -8 Combine like terms: 8 + -8 = 0 0 + x = 8.366600265 + -8 x = 8.366600265 + -8 Combine like terms: 8.366600265 + -8 = 0.366600265 x = 0.366600265 Simplifying x = 0.366600265

Subproblem 2

x + 8 = -8.366600265 Simplifying x + 8 = -8.366600265 Reorder the terms: 8 + x = -8.366600265 Solving 8 + x = -8.366600265 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + x = -8.366600265 + -8 Combine like terms: 8 + -8 = 0 0 + x = -8.366600265 + -8 x = -8.366600265 + -8 Combine like terms: -8.366600265 + -8 = -16.366600265 x = -16.366600265 Simplifying x = -16.366600265

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.366600265, -16.366600265}

See similar equations:

| 3a+2b+c=0 | | 13.32*3/5= | | Y=-3x^2+5 | | 5x^2-50x+10=0 | | x^5=11 | | 0=-5x+12-4y | | 5(t-5)+3t=4(2t+5)-8 | | 0.1x-0.3(5-x)=1.1 | | 5(m-3)-2m=-30 | | -6+8y+12=10+3y+1 | | -(4y+3)-(-3y-5)=-6 | | 9x+32=-31 | | 6x+6=9x-21 | | 0.5x=3x+5 | | 2x-7=3-1 | | C=xv+x | | y=2+15 | | 5q=100q | | .125b=12 | | 14-4x=-6x+18 | | 6(n+8)=6n+48 | | 2x+5=2x+5 | | y=3-26 | | 14-4x=6x+18 | | 9x+4=31+6x | | x/7+13=62 | | y=4-9 | | 136.8-28y=111.8-136y | | 9n-4=5n-16 | | 8x-(5x+5)=7 | | -10+x=x+12 | | -6x-14=10 |

Equations solver categories